Lynn W Gallagher

• Barley breeder at University of California, Davis

California has a vibrant and growing craft brewing industry and a nascent malting industry interested in locally sourced products, which has created a demand for malting barley (Hordeum vulgare L.) production in California. ‘UC Tahoe’ (Reg. No. CV-365, PI 678971) is the first malting barley cultivar released by the University of California and is w...

Cereal Yellow Dwarf Virus (CYDV-RPV) is a serious viral disease affecting small grain crops around the world. In the US, it is frequently present in California where it causes important losses when infections start early in the development stage resulting in plant death. CYDV is transmitted by aphids, and it has been a major challenge to develop ma...

Malting quality data were collected on malts from three barley (Hordeum vulgare L.) breeding program trials. We tried to identify causal polymorphisms in the Bmy1 intron III and coding regions for use in marker‐assisted selection. Abundant malting quality variation exists in the spring barley germplasm despite the parents having identical Bmy1 intr...

The inheritance of heading time of spring barley was studied in three extremely early genotypes IB, RL and ‘Mona’ (M), which is homozygous recessive for the early maturity ea8 (=eak) gene conferring extreme earliness under short daylengths and is relatively photoperiod insensitive, and five (GP, MA, PS, NU and BA) spring genotypes that are early to...

Three photoperiod-sensitive spring barley cultivars (Hordeum vulgare L.) and three independently derived, single-gene, nuclear mutants expressing photoperiod insensitivity and extremely early heading time under short daylengths were investigated for chloroplastic pigment variation in three environments using reverse-phase high-performance liquid ch...

The inheritance of extreme earliness for heading time, as measured by days to awn appearance (DAA), in «Super Precoz (2H)» (SP) a photoperiod-insensitive spring barley (Hordeum vulgare L.), was investigated in field studies under short daylengths at Davis, CA, and Ciudad Obregon, Sonora, Mexico, to obtain additional information on gene action. The...

Global heading time data collected by the International Center for Maize and Wheat Improvement (CIMMYT) during the International Barley Yield Trials were used to assess similarity of environments, variation among cultivars, and genotype × environment interactions. Data for 29 spring barley cultivars grown in 89 environments over three years were an...

Grain yield reductions of both breadwheat (Triticum aestivum L.) and durum wheat (Triticum turgidum L. var. durum) caused by attacks of Hessian fly (Mayetiola destructor Say) are second perhaps only to those caused by inadequate soil moisture in Morocco. To identify effective sources of resistance, 817 entries of common wheat and durum wheat report...

Early maturing cultivars of barley ( Hordeum vulgare L.) would enhance yield stability in lowland, low rainfall areas of Morocco. The objective of this work was to study the inheritance of heading date in crosses involving six spring barleys developed in the Sacramento Valley of California, USA and the Yaqui Valley of Sonora, Mexico. Data were gath...

The purpose of this research was to obtain information on the contribution of semidwarf stature, high head number, and high kernel number to increasing grain yield in barley ( Hordeum vulgare L.) in Morocco. The three traits were selected because of their potential to enhance grain yield. Six populations, two for each character, were developed by c...

Two high‐yielding, short‐statured spring wheats ( Triticum aestivum L.), ‘Anza’ and ‘UC 44‐111,’ differ in certain characteristics of N metabolism. Nitrate reductase activity (NRA), measured in vitro on shoots or lamina of seedling plants, was about 8 and 18 µmoles of nitriteproduced/hour/g fresh weight for Anza and UC 44‐111, respectively. The gen...